<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>调整图像尺寸</title>
</head>
<body>

<img src="img/eg_mouse.jpg" width="50" height="50">
<br/>
<img src="img/eg_mouse.jpg" width="100" height="100">
<br/>
<img src="img/eg_mouse.jpg" width="200" height="200">

</body>
</html>